Worksheet: Cell Notation

In this worksheet, we will practice using cell notation to describe the oxidation and reduction reactions in an electrochemical cell.

Q1:

The figure shows the setup of a voltaic cell.

Which one of the following is the correct expression of the setup in cell notation?

  • AH()H()Pt()Mg()Mg()+22+aqgssaq
  • BMg()Mg()Pt()H()H()2++2aqssaqg
  • CMg()Mg()H()H()Pt()saqaqgs2++2
  • DMg()Mg()H()Pt()saqaqs2++
  • EMg()Mg()Pt()H()H()saqsaqg2++2

Q2:

The figure shows the setup of a standard hydrogen electrode.

Which one of the following is the correct expression of the setup in cell notation?

  • APt()H(,1M)H(,1atm)sgaq2+
  • BH(,1M)H(,1atm)Pt()2+gaqs
  • CPt()H(,1M)saq+
  • DPt()H(,1atm)H(,1M)sgaq2+
  • EH(,1atm)H(,1M)Pt()2+gaqs

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